The Big Bang Theory spin-off fails to save the universe, but might entertain 10 year-olds

I’m a big believer in taking big swings when it comes to spin-off shows. The example I always come to is the choice to spin-off Lou Grant from The Mary Tyler Moore Show and put him in a one hour drama instead of the half-hour sitcom we know him from.

The safest route is generally just to do like-for-like genres and that can yield success. Look to Happy D…